# Get first day of month (BOM), last day of month (EOM) for 
# a year (yyyy) and compute days of the month
# Modified version of script from stackoverflow

import datetime

from datetime import date

def get_eom_date(yr_yyyy):
    # Get End-of-Month (EOM) date
    # The day 28 exists in every month. 4 days later, it's always next month
    next_month = yr_yyyy.replace(day=28) + datetime.timedelta(days=4)
    # subtracting the number of the current day brings us back one month
    return next_month - datetime.timedelta(days=next_month.day)

def days_between(date1, date2):
    return 1+(abs(date2 - date1).days)

cy = 2020

yr_days = 0

for month in range(1, 13):
     bom_dt = datetime.date(cy, month, 1)
     eom_dt = get_eom_date(datetime.date(cy, month, 1))
     yr_days += days_between(bom_dt, eom_dt)
     print(bom_dt, eom_dt,' ', days_between(bom_dt, eom_dt),' ', yr_days)